Every indication we've had out of Microsoft is that Windows Mobile 7 is on track for a grand unveiling at Mobile World Congress in Barcelona next month, and indeed, Fox Business has none other than CFO Peter Klein on record saying as much -- the closest thing we've had to a confirmation outside of Robbie Bach's analyst remarks a few weeks back. At the 4:07 mark of the video, Klein says that the company is "heads down" on WinMo 7 and expects to have "much more to say" about the product out in Spain, which would mark